CN109672175A - Power grid control method and device - Google Patents

Power grid control method and device Download PDF

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Publication number
CN109672175A
CN109672175A CN201811648954.8A CN201811648954A CN109672175A CN 109672175 A CN109672175 A CN 109672175A CN 201811648954 A CN201811648954 A CN 201811648954A CN 109672175 A CN109672175 A CN 109672175A
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China
Prior art keywords
power grid
power
grid
information
control method
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Granted
Application number
CN201811648954.8A
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Chinese (zh)
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CN109672175B (en
Inventor
谷君
陈艳霞
王宁
张金虎
王鹏
聂卫刚
闻宇
杨青青
孙伯龙
杨明华
邱俊宏
崔丽艳
陈斌
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State Grid Corp of China SGCC
Xuji Group Co Ltd
State Grid Beijing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Zhuhai XJ Electric Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd, Zhuhai XJ Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201811648954.8A priority Critical patent/CN109672175B/en
Publication of CN109672175A publication Critical patent/CN109672175A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention discloses a kind of power grid control method and devices.Wherein, this method comprises: establishing database, wherein database purchase has grounding grid defect data, corresponding defect processing mode and relevant criterion data;Acquire the running state information of power grid;According to running state information, database is called to determine power grid control method, wherein power grid control method includes at least one following: operation of power networks method, the restoration methods after grid maintenance method or failure;According to the power grid control method, power grid is controlled.The technical issues of present invention solves power grid control method in the related technology, this earth-current or this ground voltage for relying on the substation in power grid are controlled, continuity and poor reliability.

Description

Power grid control method and device
Technical field
The present invention relates to electric control fields, in particular to a kind of power grid control method and device.
Background technique
Power grid is for the circuit general name to block supply, since the voltage of circuit is different in power grid, it usually needs a variety of Grid equipment coordinate operation, could be to customer power supply.In huge power grid, circuit can also occur various failures often and ask Topic, needs to put into backup power source, backup power source automatically engages, and is usually according to the determination of the information such as this earth-current local voltage No movement, but such mode, can not adapt to the method for operation demand of complex electric network, reduce the continuity of power grid power supply and reliable Property.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of power grid control method and devices, at least to solve power grid control in the related technology Method processed, this earth-current or this ground voltage for relying on the substation in power grid are controlled, the technology of continuity and poor reliability Problem.
According to an aspect of an embodiment of the present invention, a kind of power grid control method is provided, comprising: database is established, In, the database purchase has grounding grid defect data, corresponding defect processing mode and relevant criterion data;Described in acquisition The running state information of power grid;Information according to the operation state calls the database to determine power grid control method, wherein The power grid control method includes at least one following: operation of power networks method, the recovery side after grid maintenance method or failure Method;According to the power grid control method, power grid is controlled.
Optionally, in the case that the power grid control method is operation of power networks method, the operating status of the power grid is acquired Information includes: to acquire the first actual motion status information of the grid equipment;According to the processing information, the data are called Library determines that power grid control method includes: to obtain grid equipment in the power grid from the database under normal operating conditions Standard running state information;Equipment is judged according to the standard running state information and the first actual motion status information The grid equipment whether failure;In the case where the grid equipment does not have failure, determine that power grid operates normally.
Optionally, determine that before power grid operates normally include: according to the standard running state information and actual motion Status information is predicted the state of power grid by the first prediction model, judged the safety of mains-power circuit, wherein described First prediction model is deep learning model or machine learning model;In the highly-safe in secure threshold of the mains-power circuit In the case where, determine that power grid operates normally;In the case where the safety of the mains-power circuit is not higher than secure threshold, issue pre- It is alert.
Optionally, according to the standard running state information and actual motion status information, pass through the second prediction mould Type predict power grid state, include: before being judged the safety of mains-power circuit to grid equipment whether correctly act into Row judgement is executed in the case where the grid equipment correctly acts according to the standard running state information, and practical fortune Row status information, by predicting the state of power grid, the step of judgement the safety of mains-power circuit;Wherein, described second Prediction model is deep learning model or machine learning model.
Optionally, in the case that the power grid control method is repair method, according to the processing information, the number is called Determine that power grid control method includes: to obtain standard repair method from the database according to library, according to the standard repair method It is overhauled;During the standard repair method executes, according to the relevant information of monitoring mains-power circuit, with the standard The corresponding relevant criterion information of repair method compares;Exceed the correct threshold of the relevant criterion information in the relevant information In the case where value, operation warning is issued.
Optionally, in the case that the power grid control method is the restoration methods after failure, the operation of the power grid is acquired Status information includes: to acquire the second actual motion status information of the grid equipment;According to the processing information, described in calling Database determines that power grid control method includes: that the grid equipment obtained in the power grid from the database is operating normally shape Standard running state information under condition;Judged according to the standard running state information and the second actual motion status information Grid equipment described in equipment whether eliminated by failure;In the case where the grid equipment Failure elimination, according to preset recovery Method is restored by power grid control equipment according to the restoration methods.
Optionally, according to preset restoration methods, carrying out recovery according to the restoration methods by power grid control equipment includes: Operation order is generated according to the restoration methods;The operation order is uploaded to dispatching of power netwoks, by dispatching of power netwoks according to the operation Ticket carries out control operation to power grid.
Optionally, the grid equipment includes at least one following: substation, backup auto-activating device.
According to another aspect of an embodiment of the present invention, a kind of power grid control device is additionally provided, comprising: establish module, use In establishing trust data library, wherein the trust data inventory contains grounding grid defect data, corresponding defect processing mode, with And relevant criterion data;Acquisition module, for acquiring the running state information of the power grid;Calling module, for according to Running state information calls the database to determine power grid control method, wherein the power grid control method include it is following at least One of: operation of power networks method, the restoration methods after grid maintenance method or failure;Control module, for according to the power grid control Method processed, controls power grid.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, the storage medium includes storage Program, wherein described program operation when control the storage medium where equipment execute it is any one of above-mentioned described in Method.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, the processor is used to run program, Wherein, described program run when execute it is any one of above-mentioned described in method.
In embodiments of the present invention, using establishing database, wherein database purchase has grounding grid defect data, corresponding Defect processing mode and relevant criterion data;Acquire the running state information of power grid;According to running state information, number is called Power grid control method is determined according to library, wherein power grid control method includes at least one following: operation of power networks method, grid maintenance Restoration methods after method or failure;According to power grid control method, to the mode that power grid is controlled, by database Data, and the actual electric network information of acquisition, analyze power grid and are differentiated, and predicted failure, reached to electricity The failure that net is likely to occur is prevented, to guarantee the purpose that power grid can be run steadily in the long term, to realize raising electricity The continuity of operation and the technical effect of reliability are netted, and then solves power grid control method in the related technology, relies on power grid In substation this earth-current or this ground voltage controlled, the technical issues of continuity and poor reliability.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of power grid control method according to an embodiment of the present invention;
Fig. 2 is the schematic diagram of the general embodiment of embodiment according to the present invention;
Fig. 3 is the flow chart of the normal operation method of embodiment according to the present invention;
Fig. 4 is the flow chart of the repair method of embodiment according to the present invention;
Fig. 5 is the flow chart of the failure of embodiment or abnormality eliminating method according to the present invention;
Fig. 6 is the flow chart of restoration methods after the failure of embodiment according to the present invention;
Fig. 7 is a kind of schematic diagram of power grid control device according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.
According to embodiments of the present invention, a kind of embodiment of the method for power grid control method is provided, it should be noted that attached The step of process of figure illustrates can execute in a computer system such as a set of computer executable instructions, though also, So logical order is shown in flow charts, but in some cases, it can be to be different from shown by sequence execution herein Or the step of description.
Fig. 1 is a kind of flow chart of power grid control method according to an embodiment of the present invention, as shown in Figure 1, this method includes Following steps:
Step S102, establishes database, wherein and database purchase has a grounding grid defect data, corresponding defect processing mode, And relevant criterion data;
Step S104 acquires the running state information of power grid;
Step S106 calls database to determine power grid control method, wherein power grid control side according to running state information Method includes at least one following: operation of power networks method, the restoration methods after grid maintenance method or failure;
Step S108 controls power grid according to power grid control method.
Through the above steps, it can use and establish database, wherein database purchase has grounding grid defect data, corresponding Defect processing mode and relevant criterion data;Acquire the running state information of power grid;According to running state information, number is called Power grid control method is determined according to library, wherein power grid control method includes at least one following: operation of power networks method, grid maintenance Restoration methods after method or failure;According to power grid control method, to the mode that power grid is controlled, by database Data, and the actual electric network information of acquisition, analyze power grid and are differentiated, and predicted failure, reached to electricity The failure that net is likely to occur is prevented, to guarantee the purpose that power grid can be run steadily in the long term, to realize raising electricity The continuity of operation and the technical effect of reliability are netted, and then solves power grid control method in the related technology, relies on power grid In substation this earth-current or this ground voltage controlled, the technical issues of continuity and poor reliability.
Above-mentioned database can be memory or server.Above-mentioned database can be trust data library, be stored with electricity Net defective data, corresponding defect processing mode and relevant criterion data, above-mentioned grounding grid defect data, including go through defect number According to and common defective data;Above-mentioned corresponding defect processing mode, including the corresponding history of above-mentioned historical defect data lack Fall into processing mode and the corresponding common deficiency processing mode of above-mentioned common defective data.Above-mentioned relevant criterion data include, Execution standard, operation standard etc., the standard that power grid is controlled.
The running state information of above-mentioned power grid can be the circuit parameter information of power grid, for example, the voltage of bus, electric current; It can also be the status information of grid equipment, such as the working condition of grid equipment, the information such as open and-shut mode, above-mentioned grid equipment It can be substation, breaker, backup auto-activating device, disconnecting link, power supply adaptor, power supply, backup power source etc..The opening and closing of breaker, The position of disconnecting link, the voltage etc. of power supply.
It is above-mentioned according to running state information, call database to determine circuit control method, can be based on above-mentioned database In a large amount of standard operation conditions under standard control method and collected actual state under running state information, it is right Circuit control method under the actual motion state is modified, and is predicted revised operation of power networks state, effectively Improve the stability of network operation.Foregoing circuit control method includes the circuit operation side of power grid under normal circumstances Method, the circuit repair method under electric network fault, electric network fault exclude after restoration methods etc..
It is above-mentioned according to circuit control method, carrying out control to power grid can be, by the way that above-mentioned control method is sent to control Device or grid equipment processed are acted by above controller control grid equipment, or are directly acted by grid equipment, To realize the control to mains-power circuit.
Optionally, in the case that power grid control method is operation of power networks method, the running state information for acquiring power grid includes: Acquire the first actual motion status information of grid equipment;According to processing information, database is called to determine power grid control method packet It includes: from the standard running state information of grid equipment under normal operating conditions obtained in database in power grid;According to standard Running state information and the first actual motion status information judge equipment grid equipment whether failure;Do not have in grid equipment In the case where failure, determine that power grid operates normally.
Above-mentioned first actual motion status information can be the power supply state information to the important load in substation, including The voltage of bus, the state of breaker, disconnecting link in the relevant power grid of working condition and important load of backup auto-activating device Deng.
The standard running state information of the above-mentioned grid equipment from database in acquisition power grid under normal operating conditions; According to standard running state information and the first actual motion status information judge equipment grid equipment whether failure, be to pass through The mode of comparison compares the operation of power networks parameter of actual conditions with the operating parameter of the status of criterion, real above-mentioned first Border running state information then assert above-mentioned first actual motion without departing from the qualified threshold range of above-mentioned standard running state information Status information is identical as above-mentioned standard running state information, and determines that above-mentioned mains-power circuit does not have failure.
Optionally, determine that before power grid operates normally include: according to standard running state information and actual motion state Information is predicted the state of power grid by the first prediction model, judged the safety of mains-power circuit, wherein the first prediction Model is deep learning model or machine learning model;In the highly-safe in the case where secure threshold of mains-power circuit, really Determine power grid normal operation;In the case where the safety of mains-power circuit is not higher than secure threshold, early warning is issued.
It includes according to current electric grid running statu information prediction power grid electricity that the above-mentioned safety to mains-power circuit, which carries out judgement, A possibility that breaking down of road, determines whether mains-power circuit pacifies according to above-mentioned possibility at a possibility that is to say safe operation Entirely.For example, the safety by prediction power grid determines power grid in the highly-safe in the case where secure threshold of mains-power circuit It operates normally;In the case where the safety of mains-power circuit is not higher than secure threshold, early warning is issued.Above-mentioned prediction model can be Deep learning model and machine learning model have predictive ability by the training of a large amount of data, and training data can be, go through History mains-power circuit running state information before history fault data and failure generation.
Optionally, pre- by the second prediction model according to standard running state information and actual motion status information The state for surveying power grid includes: that correctly whether movement is sentenced to grid equipment before being judged the safety of mains-power circuit It is disconnected, in the case where grid equipment correctly acts, execute according to standard running state information and actual motion status information, By predicting the state of power grid, the step of judgement the safety of mains-power circuit;Wherein, the second prediction model is depth Practise model or machine learning model.
In the overload or other situations of the power supply line for internal loading of standing, need in such a way that load falls to supply, To mitigate the pressure of power grid.It needs to differentiate whether backup auto-activating device correctly acts before load falls to supply, is filled in above-mentioned prepared auto restart It sets in the case where capable of correctly acting, can fall executed for mode using load, and the step of continuing to execute below;Upper It in the case where stating backup auto-activating device and cannot correctly acting, needs to carry out early warning, operator is prompted to need to overhaul above-mentioned prepared auto restart Device, or put by the external power supply route of fortune inspection platform courses redundancy, avoid station internal loading from losing AC power source, it is related Grid equipment paralysis.
Optionally, in the case that power grid control method is repair method, according to processing information, database is called to determine power grid Control method includes: the acquisition standard repair method from database, is overhauled according to standard repair method;In standard maintenance side Method execute during, according to monitoring mains-power circuit relevant information, relevant criterion information corresponding with standard repair method into Row comparison;In the case where relevant information exceeds the proper threshold value of relevant criterion information, operation warning is issued.
Above-mentioned repair method can be stored in standard maintenance mode or the corresponding maintenance side of defect in database Formula is bound to change the running state parameter of above-mentioned mains-power circuit, needs to be caused according to maintenance mode when maintenance mode executes Actual electric network operating status variation, with standard maintenance mode operation under operation of power networks state change compare determination, Whether mains-power circuit develops according to direction desired by standard maintenance mode, desired by mains-power circuit and standard maintenance mode When changing different, alarm.For example, during standard repair method executes, related according to monitoring mains-power circuit is believed Breath, relevant criterion information corresponding with standard repair method compare;In relevant information beyond the correct of relevant criterion information In the case where threshold value, operation warning is issued.
Optionally, in the case that power grid control method is the restoration methods after failure, the running state information of power grid is acquired It include: the second actual motion status information for acquiring grid equipment;According to processing information, database is called to determine power grid control side Method includes: from the standard running state information of grid equipment under normal operating conditions obtained in power grid in database;According to Standard running state information and the second actual motion status information judge equipment grid equipment whether eliminated by failure;In electricity In the case that net equipment fault is eliminated, according to preset restoration methods, restored by power grid control equipment according to restoration methods.
After the troubleshooting of mains-power circuit, need to restore the operating status of mains-power circuit to normal before breaking down Operating status can pass through the second actual motion status information of acquisition grid equipment;From the electricity obtained in database in power grid The standard running state information of net equipment under normal operating conditions;According to standard running state information and the second practical fortune Row status information judges equipment grid equipment whether eliminated by failure;In the case where grid equipment Failure elimination, according to default Restoration methods, restored by power grid control equipment according to restoration methods.
Optionally, it according to preset restoration methods, carries out restoring to include: basis according to restoration methods by power grid control equipment Restoration methods generate operation order;Operation order is uploaded to dispatching of power netwoks, power grid is controlled according to operation order by dispatching of power netwoks Operation.
After fault recovery, according to preset strategy, operation order reporting scheduling is automatically generated, after scheduling confirmation, is realized negative The fast automatic batch save of lotus is put into, and is reduced manually-operated complexity under traditional approach, is improved the recovery of substation fault Efficiency reduces load power off time, improves efficiency and safety that load restoration and load supply.
Optionally, grid equipment includes at least one following: substation, backup auto-activating device.
It should be noted that the present embodiment additionally provides a kind of optional embodiment, the embodiment is carried out below It is described in detail.
In the related technology, substation station load can be divided into following 5 kinds: AC power source load, DC power supply load, UPS Power supply load, emergency lighting power supply load, communication power supply load.Currently, substation's internal loading falls for mainly by standby in station It is realized from the mode of throwing.Prepared auto restart, i.e. alternate power autocast use device are by information such as this ground voltage, electric currents It is no to act, backup power source power supply, at this time relay control can be switched in time when this power failure can not be bussed supply The control contact of system processed is closed automatically, automatically uses in-put of spare power supply.
Substation station is fallen with load for realizing mainly by way of prepared auto restart in standing, and local information is depended on;Become Load falls for realizing generally by region prepared auto restart or distribution scheduling system outside the station of power station, according to the grid structure of power grid, It matches based on region real-time traffic information and with Protection control system, to enhance the ability for quickly isolating failure, improves simultaneously The self-healing ability of power grid improves the power supply reliability of region internal loading.
Backup auto-activating device ensure that the safety of the reliability and system of power supply to a certain extent, but in certain situations Under need to be latched backup auto-activating device, as bus-bar fault, breaker failure, breaker hand jump order, stand with become back-up protection act Deng, need to provide in the case of these contact and drawing be connected to backup auto-activating device locking open into.In addition, conventional prepared auto restart is based on the spot Information, solve the problems, such as substation's alternate power autocast in open loop point, the variation of the method for operation can not be adapted to, solve The problem that restores electricity of such as distant place alternate power autocast complication system, so that power supply continuity and reliability exist centainly Risk.
With day more increase, operation characteristic day more complexity, power network safety operation and the power supply reliability of power grid scale It is required that it is higher and higher, large size city power grid power supply safety cannot have been fully met currently based on the prepared auto restart strategy of information on the spot The requirement of property, stability and reliability.Based on this, towards power grid prevention and control, Fault Isolation, Corrective control, emergent control, extensive The demand controlled again establishes a set of region prepared auto restart strategy towards the Wide Area Power based on power grid wide-area data information, with Realize in the case where day-to-day operation, state change and emergency event through real time monitoring based on wide-area data platform and Analysis provides the assessment of power grid current operating conditions;Failure accurate positioning is carried out using power grid multimetering data and the method for operation Failure is quickly isolated with selective minimum zone;The Wide Area Power frequency stabilization is realized using security and stability control means, is mentioned High reclosing or backup power source closing success rate realize the automatic safety devices systems such as overload cutting load, low-frequency and low-voltage load-reducing With protection self-adaptive wavelet base, realizes fast recovery of power supply and ensure power supply reliability;In the case where power grid catastrophic failure, By the Real Time Control Function based on power grid wide-area data platform, the self-healing adjustment of power grid is realized.Reach the overall process association of power grid Same optimal control.
Prepared auto restart and region prepared auto restart do not consider load rating problem in standing, and when anticipation is by overloading, generally adopt Take the measure of locking prepared auto restart or indifference cutting load.Locking prepared auto restart will lose whole loads of substation.And take indifference Other cutting load measure, then may lose part important load, and no small social influence can be also generated when serious.
Present embodiment proposes that a kind of substation's internal loading falls for strategy, changes backup auto-activating device in conventional stations and only relies upon The judgment mode of place bus this ground voltage, electric current, analyzed etc. from the cooperation of prepared auto restart and the various methods of operation propose it is negative Lotus falls for strategy.It is specific as follows: firstly, to substation 500kV/220kV/110kV/35kV station internal loading power supply state, turn Database is established for operation etc., including: former all defective datas of power grid and defect processing measure;Power grid was handled in the past The measure of accident;The operation of power networks rules and regulations and concrete operation method formed.Secondly, by establishing support data It is important negative to generate support in conjunction with Substation Electric Equipment construction, equipment principle, equipment service requirement etc. for library and typical operation library Lotus turns the knowledge base supplied.Finally, proposing that substation's internal loading turns the strategy supplied on the basis of the above analysis.Including normally transporting Line mode strategy, maintenance mode strategy, failure or anomalous mode strategy, four kinds of fault recovery mode strategy.
Fig. 2 is the schematic diagram of the general embodiment of embodiment according to the present invention, as shown in Fig. 2, with single substation For research object, in substation in master device monitors system, installs load additional and fall for software module, utilize master device monitors system In relevant data information, load fall for strategy support information and it is corresponding fall for strategy protocol, generate load in failure and different Falling for strategy in normal situation, and the strategy is pushed in the area I centralized control server (also can be in interior master device monitors system of standing Shown in system work station), further, it will be fallen by positive isolating device and be pushed to the safe area III management platform for strategy And in terminal, after manually determining, future can transferring and subsequent execution by O&M class work station implementation strategy.
Above-mentioned four kinds of mode strategies are described in detail below, specific as follows:
Fig. 3 is the flow chart of the normal operation method of embodiment according to the present invention, as shown in figure 3, normal operating mode Strategy is specific as follows:
A) power supply state of important load in standing is monitored in real time, the voltage including each section of bus of 10kV, 400V, respectively The information such as the working condition of backup auto-activating device and each important load associated loop breaker, disconnecting link position and state.Monitoring Information is as shown in table 1, and table 1 is the information table of required monitoring.Data are mainly from intelligent error preventing system, ancillary equipment monitoring system etc. It obtains.
Table 1
B) when substation operates normally, (believed including conventional device location state, abnormality alarming using device data information Breath, voltage and current, temperature etc.), the technical methods such as combined data cleaning, data analysis are based on equipment fault and abnormality intelligence Energy discrimination technology, and the analysis based on important load electric power loop safety in substation, judge important load current supply circuit Safety.Such as:
Currently using I section of 10kV as main power supply, breaks down and exit or in cold as spare II section of 10kV Stand-by state, it is possible to which backup power source can not be put into when main power supply occurs abnormal.
I, II section of interconnection switch of electricity consumption 10kV bus stand in " manual " position.At this point, actively issuing early warning, needs pair are prompted Spare II section of 10kV is checked, investment is restored;Or access the external power supply route as redundancy, to avoid negative in station Lotus loses AC power source.
DC power supply charger is single supply power supply.
400V busbar voltage is excessively high, may damage DC Module, actively issue early warning.
DC power supply detected value is abnormal, and detection battery may damage, and actively issues early warning.
Fig. 4 is the flow chart of the repair method of embodiment according to the present invention, as shown in figure 4, maintenance mode strategy is specific It is as follows:
A) when station, it is based on typical operation library, important load is generated and turns to operate load transfer for operation strategy It is supported.Strategy can be visualized.
B) in maintenance process, to the current supply circuit relevant information such as soft pressing plate of important load during load transfer, hard The throwing of pressing plate, interconnection switch and incoming switch moves back, breaker and the mode of operation of disconnecting switch etc. are monitored in real time, and preparatory The strategy of generation is compared, and sends warning information by software module there are being alerted when operating mistake in discovery It is transported on inspection platform and mobile job-oriented terminal to intelligence.
Fig. 5 is the flow chart of the failure of embodiment or abnormality eliminating method according to the present invention, as shown in figure 5, failure or Anomalous mode strategy is specific as follows:
A) it when the power supply line of station internal loading breaks down and is abnormal, is not acted correctly when differentiating to backup auto-activating device, such as Currently using I section of 10kV as main power supply, I section of failure of 10kV is exited, is not being limited as II section spare of 10kV Investment in time range, so that important load is likely to occur the greater risk for losing power supply in standing.At this point, active alarm, prompts It needs to check backup power source route and backup auto-activating device, restores investment;Or platform courses redundancy is examined by intelligence fortune External power supply route investment, to avoid station internal loading lose AC power source.
B) when the Liang Tiao power supply line of station internal loading breaks down and is abnormal, at this point, important negative according to what is pre-established Lotus falls for support strategy, issues early warning, and monitor to power supply line.If within a certain period of time, power supply line is extensive not yet Multiple, (such as encountering force majeure, need the long period that can just restore electricity) issues alarm, prompts to need cut-out load, with Guarantee the continued power of the important loads such as fire-fighting, protection, security protection.
Fig. 6 is the flow chart of restoration methods after the failure of embodiment according to the present invention, as shown in fig. 6, fault recovery side Formula is as follows: after fault recovery, according to preset strategy, automatically generating operation order reporting scheduling, after scheduling confirmation, realizes load Fast automatic batch save investment, reduce traditional approach under manually-operated complexity, improve substation fault recovery effect Rate reduces load power off time, the efficiency and safety for improving load restoration and supplying.
Present embodiment proposes that a kind of substation's internal loading falls for strategy, the local electricity of bus where only relying upon in tradition It presses, on the basis of the judgment mode of electric current, the real-time voltage of each section of comprehensive utilization history data, 10kV, 400V bus, respectively The information such as the working condition of backup auto-activating device and each load associated loop breaker, disconnecting link position and state have intelligence and adopt The features such as collection, intelligent distinguishing, intellectual analysis and intelligently pushing, since data supporting abundant acts on, so that load falls for strategy It is more intelligent, can accomplish to give warning in advance, intelligence anticipation, ensure that reliable power supply source, and ensure that system safety and Reliability, while improving the efficiency and convenience of operation.
Fig. 7 is a kind of schematic diagram of power grid control device according to an embodiment of the present invention, as shown in fig. 7, according to the present invention The another aspect of embodiment additionally provides a kind of power grid control device, comprising: establishes module 72, acquisition module 74, calling module 76 and control module 78, the device is described in detail below.
Module 72 is established, for establishing trust data library, wherein trust data inventory contains grounding grid defect data, corresponding Defect processing mode and relevant criterion data;Acquisition module 74, for acquiring the running state information of power grid;Call mould Block 76, for calling database to determine power grid control method, wherein under power grid control method includes according to running state information At least one column: operation of power networks method, the restoration methods after grid maintenance method or failure;Control module 78, for according to electricity Network control method controls power grid.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, storage medium includes the journey of storage Sequence, wherein equipment where control storage medium executes any one of above-mentioned method in program operation.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, processor is used to run program, In, program executes any one of above-mentioned method when running.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (11)

1. a kind of power grid control method characterized by comprising
Establish database, wherein the database purchase has grounding grid defect data, corresponding defect processing mode, and correlation Normal data;
Acquire the running state information of the power grid;
Information according to the operation state calls the database to determine power grid control method, wherein the power grid control method Including at least one following: operation of power networks method, the restoration methods after grid maintenance method or failure;
According to the power grid control method, power grid is controlled.
2. the method according to claim 1, wherein the case where power grid control method is operation of power networks method Under, the running state information for acquiring the power grid includes: to acquire the first actual motion status information of the grid equipment;
According to the processing information, the database is called to determine that power grid control method includes:
The standard running state information of grid equipment under normal operating conditions in the power grid is obtained from the database;
Whether grid equipment described in equipment is judged according to the standard running state information and the first actual motion status information Failure;
In the case where the grid equipment does not have failure, determine that power grid operates normally.
3. according to the method described in claim 2, it is characterized in that, determining that power grid normal operation includes: before
According to the standard running state information and actual motion status information, power grid is predicted by the first prediction model State judges the safety of mains-power circuit, wherein first prediction model is deep learning model or engineering Practise model;
In the highly-safe in the case where secure threshold of the mains-power circuit, determine that power grid operates normally;
In the case where the safety of the mains-power circuit is not higher than secure threshold, early warning is issued.
4. according to the method described in claim 3, it is characterized in that, according to the standard running state information, and reality Running state information is predicted the state of power grid by the second prediction model, wrapped before being judged the safety of mains-power circuit It includes:
To grid equipment, correctly whether movement judges,
In the case where the grid equipment correctly acts, execute according to the standard running state information and actual motion Status information, by predicting the state of power grid, the step of judgement the safety of mains-power circuit;
Wherein, second prediction model is deep learning model or machine learning model.
5. the method according to claim 1, wherein the power grid control method be repair method in the case where, According to the processing information, the database is called to determine that power grid control method includes:
Standard repair method is obtained from the database, is overhauled according to the standard repair method;
During the standard repair method executes, according to the relevant information of monitoring mains-power circuit, overhauled with the standard The corresponding relevant criterion information of method compares;
In the case where the relevant information exceeds the proper threshold value of the relevant criterion information, operation warning is issued.
6. the method according to claim 1, wherein the power grid control method is the restoration methods after failure In the case of, the running state information for acquiring the power grid includes: to acquire the second actual motion status information of the grid equipment;
According to the processing information, the database is called to determine that power grid control method includes:
The standard running state information of grid equipment under normal operating conditions in the power grid is obtained from the database;
Whether grid equipment described in equipment is judged according to the standard running state information and the second actual motion status information Failure has been eliminated;
In the case where the grid equipment Failure elimination, according to preset restoration methods, as power grid control equipment according to Restoration methods are restored.
7. according to the method described in claim 6, it is characterized in that, according to preset restoration methods, by power grid control equipment root Carrying out recovery according to the restoration methods includes:
Operation order is generated according to the restoration methods;
The operation order is uploaded to dispatching of power netwoks, control is carried out to power grid according to the operation order by dispatching of power netwoks and is operated.
8. method as claimed in any of claims 1 to 7, which is characterized in that the grid equipment include it is following extremely It is one of few: substation, backup auto-activating device.
9. a kind of power grid control device characterized by comprising
Module is established, for establishing trust data library, wherein the trust data inventory contains grounding grid defect data, corresponding Defect processing mode and relevant criterion data;
Acquisition module, for acquiring the running state information of the power grid;
Calling module calls the database to determine power grid control method, wherein institute for information according to the operation state It includes at least one following for stating power grid control method: operation of power networks method, the restoration methods after grid maintenance method or failure;
Control module, for controlling power grid according to the power grid control method.
10. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program When control the storage medium where equipment perform claim require any one of 1 to 8 described in method.
11. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run Benefit require any one of 1 to 8 described in method.
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